﻿using IOP.SgrA;
using IOP.SgrA.SilkNet.Vulkan;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using IOP.Extension.DependencyInjection;
using Silk.NET.Vulkan;

namespace VkSample102
{
    [ModulePriority(ModulePriority.RenderPass)]
    public class RenderPassModule : VulkanModule, IVulkanRenderWapperModule
    {
        public VulkanRenderWapper RenderWapper { get; set; }
        [Autowired]
        private ILogger<RenderPassModule> _Logger { get; set; }

        protected override Task Load(VulkanGraphicsManager graphicsManager)
        {
            try
            {
                var lDevice = graphicsManager.VulkanDevice;
                var pipeCache = lDevice.PipelineCache;
                var disapatcher = RenderWapper.GetRenderDispatcher<VulkanSwapchainRenderDispatcher>();
                var presentPass = disapatcher.SwapchainRenderPass;
                var area = RenderWapper.RenderArea;
                var fence = lDevice.CreateFence();

                var pCommand = lDevice.CreateCommandPool((device, option) =>
                {
                    option.Flags = CommandPoolCreateFlags.CommandPoolCreateResetCommandBufferBit;
                    option.QueueFamilyIndex = device.WorkQueues[0].FamilyIndex;
                }).CreatePrimaryCommandBuffer();
                var mainGroup = graphicsManager.CreatePrimaryRenderGroup("Main", null)
                    .Binding(pCommand, lDevice, presentPass, new Semaphore[] { disapatcher.ImageAvailableSemaphore, disapatcher.RenderFinishSemaphore }, new Fence[] { fence.RawHandle });
                mainGroup.CreateGroupRenderingAction((builder) => builder.UseMiddleware<MainMiddleware>());
                return Task.CompletedTask;
            }
            catch (Exception e)
            {
                _Logger.LogError(e.Message + "\r\n" + e.StackTrace);
                return Task.FromException(e);
            }
        }

        protected override Task Unload(VulkanGraphicsManager manager)
        {
            return Task.CompletedTask;
        }
    }
}
